Finding the Fourth Proportional to 1,860.94, 2,563.77 and 1,300.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860.94 : 2,563.77 = 1,300.42 : x
2. Step 2: Convert to fraction form
   1,860.94/2,563.77 = 1,300.42/x
3. Step 3: Cross multiply
   1,860.94x = 2,563.77 × 1,300.42
4. Step 4: Simplify right side
   1,860.94x = 3,333,977.78
5. Step 5: Solve for x
   x = 3,333,977.78/1,860.94
6. Step 6: Final answer
   x = 1,791.56